Outdoor unit of a separate type air conditioner

Abstract

An outdoor unit of a separate type air conditioner has suction ports and a blow-out port which can be disposed freely on the same side of the unit. Also, an outdoor unit of a one-side suction and exhaust type is excellent in static pressure characteristic, sufficient in air flow rate using only one blower, and is easy to install. Suction ports (8) are disposed at both sides in the front side of an outdoor unit main body (outer case 7), and a blow-out port (6a) is disposed in the center of the front side. A heat exchanger (3), an orifice (5), and one centripetal fan (1) are sequentially disposed behind the blow-out port (6a), thereby forming a draft circuit for sucking air from the suction ports (8) at the outer circumference of blades (1a) of the centripetal fan (1). The air is blown out ahead of the blades (1a) through the orifice (5) and heat exchanger (3). Therefore, since suction space is not required, the outdoor unit can be installed close to a wall. In addition, by the use of the centripetal fan (1), a sufficient air flow rate is obtained with only one blower, and the size of the outdoor unit for producing a same capacity may be kept to a minimum.

What is claimed is: 
     
       1. An outdoor separate type air conditioning unit comprising: a box-shaped outdoor unit main body;   a plurality of suction ports provided in a first side of said main body;   a centripetal fan disposed in said main body;   a plurality of stationary vanes disposed radially about an outer circumference of said centripetal fan;   a structure forming an orifice which surrounds said centripetal fan;   a heat exchanger disposed in said main body in front of said centripetal fan; and   a front grill positioned in said first side of said main body and forming a blow-out port in a central portion of said first side of said main body, wherein a draft circuit is formed in said main body by sequentially positioning said suction ports, said centripetal fan, said orifice, and said front grill from an upstream side of air flow through said main body.   
     
     
       2. An outdoor separate type air conditioning unit as claimed in claim 1, further comprising an electric control unit and a compressor, wherein said electric control unit and said compressor are disposed in said main body so as to not disturb the air flow through said main body. 
     
     
       3. An outdoor separate type air conditioning unit as claimed in claim 1, further comprising: an electric control unit disposed in said main body above said centripetal fan; and   a compressor disposed in said main body below said centripetal fan.   
     
     
       4. An outdoor separate type air conditioning unit comprising: an outdoor unit main body having a front surface;   a plurality of suction ports provided in opposite sides of said front surface of said main body;   a blow-out port formed in a central part of said front surface of said main body;   a single centripetal fan disposed in said main body and having a plurality of blades;   a plurality of stationary vanes disposed radially about an outer circumference of said centripetal fan;   a structure forming an orifice which surrounds said centripetal fan; and   a heat exchanger disposed in said main body, wherein said heat exchanger, said orifice and said centripetal fan are disposed sequentially behind said blow-out port thereby forming a draft circuit for sucking air in through said suction ports and blowing air out from said blades through said orifice and said heat exchanger.   
     
     
       5. An outdoor separate type air conditioning unit as claimed in claim 4, further comprising an electric control unit and a compressor, wherein said electric control unit and said compressor are disposed in said main body so as not to disturb air flow through said main body. 
     
     
       6. An outdoor separate type air conditioning unit as claimed in claim 4, further comprising: an electric control unit disposed in said main body above said centripetal fan; and   a compressor disposed in said main body below said centripetal fan.